问题
单项选择题
浮球液位计的是根据（）原理工作的。
A、阿基米德
B、恒浮力
C、变浮力
D、以上都不对
答案
参考答案：B
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浮球液位计的是根据（）原理工作的。
A、阿基米德
B、恒浮力
C、变浮力
D、以上都不对
参考答案：B
| Reading comprehension. | |
| ( )1. The Hollywood film star Julia Roberts gave birth to twins on Sunday morning at a Southern California hospital, an English reporter said on Sunday. ( )2. Hong Kong actress and singer Kelly Chen for the first time serves as the Brand speaker for 3D-Gold Jewelry. The ad. Telefilm is on show at the night of Dec. 1st, 2006. ( )3. The Museum of Modern Art has opened its doors to the public once again after a ＄425m revamp (翻新). Thousands of people queued up outside the gallery to take a discount entry on its first day. ( )4. Chinese film star Zhang Ziyi will launch her lastest movie Purple Butterfly in America. Zhang Ziyi is one of the most successful Chinese actors this year with her martial-arts epic House of Flying Daggers premiering in the US tomorrow (on Friday). ( )5. Chinese mainland A-list director Chen Kaige's new film The Promise Film Festivals, and even the 2006 Oscars. | |
Choose the best topic from A to F according to the passage.
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